diff --git a/ESP-IDF_Robot/main/rc.h b/ESP-IDF_Robot/main/rc.h
index 799e5e687..c9ac67f41 100644
--- a/ESP-IDF_Robot/main/rc.h
+++ b/ESP-IDF_Robot/main/rc.h
@@ -21,7 +21,7 @@ struct motors_rpm m;
 
 static int adc_raw[2][10];
 static int voltage[2][10];
-static int s = 0, sample = 10, x = 0, y = 0, x_sum = 0, y_sum = 0;
+static int s = 0, sample = 5, x = 0, y = 0, x_sum = 0, y_sum = 0;
 static bool adc_calibration_init(adc_unit_t unit, adc_channel_t channel, adc_atten_t atten, adc_cali_handle_t *out_handle);
 static void adc_calibration_deinit(adc_cali_handle_t handle);
 adc_cali_handle_t adc1_cali_chan0_handle, adc1_cali_chan1_handle;